Tina Wolf demonstrates the use of naloxone to community members in Lindenhurst, N.Y., during an overdose prevention training. Georgia Dolan-Reilly (left) of the Suffolk County Prevention Resource Center helped with the training.
Kevin Hagen for NPR
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Teaching Friends And Family How To Reverse A Drug Overdose

Several states distribute Naloxone hydrochloride, also called Narcan, to treat opium-based drug overdoses. But only one company manufactures the drug, and the price has spiked in recent years.
Toby Talbot/AP
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